Year	Number of Firms
1992-01-01	198
1997-01-01	239
2002-01-01	262
2003-01-01	262
2004-01-01	270
2005-01-01	253
2006-01-01	277
2007-01-01	286
2008-01-01	311
2009-01-01	285
2010-01-01	298
2011-01-01	307
2012-01-01	322
2013-01-01	334
2014-01-01	300
2015-01-01	319
2016-01-01	296